Top Alternatives to the GLG Expert Network and How They Compare

For years, the GLG (Gerson Lehrman Group) expert network has been a trusted resource for organizations seeking direct access to subject matter experts. Whether it’s for market intelligence, due diligence, or business strategy development, GLG has connected clients with professionals across industries and geographies. However, the emergence of new players and evolving client needs have prompted many to consider alternative expert networks that may offer more competitive pricing, specialized expertise, or greater flexibility.

In this article, we’ll explore the top alternatives to GLG, diving into what makes each one unique, and how they stack up when it comes to quality, cost, speed, and innovation.

1. AlphaSights

Headquarters: London, United Kingdom

AlphaSights is often considered GLG’s closest competitor and shares a similar operating model. The platform helps clients—including investment firms, management consultants, and corporations—connect with experts for one-on-one consultations and custom projects.

• Strengths: Large database of global experts, fast turnaround times, strong presence in financial services
• Weaknesses: Pricing is often on par with GLG, which may not appeal to cost-sensitive clients

AlphaSights invests heavily in their technology infrastructure and employs a combination of AI and human intelligence to refine expert matches quickly. Clients particularly appreciate how easy it is to scale their research with minimal administrative effort.

2. Third Bridge

Headquarters: London, United Kingdom

Third Bridge emphasizes contextual relevance in expert sourcing by using a research-led approach. It’s especially popular among private equity and hedge fund clients who require in-depth industry insights before making investment decisions.

• Strengths: Industry-focused expert sourcing, high researcher-to-client ratio, strong compliance protocols
• Weaknesses: Smaller global network compared to GLG, but growing rapidly

Third Bridge distinguishes itself by offering not only expert calls but also a content library of past interviews and industry reports—an efficient way for clients to gain foundational knowledge before scheduling consultations.

3. Guidepoint

Headquarters: New York, USA

Guidepoint offers a vast expert network with over 1 million professionals and caters to a wide range of industries including healthcare, consumer goods, and technology. Their self-service client portal allows users to browse expert profiles, submit queries, and manage projects seamlessly.

• Strengths: Robust tech platform, diversified industry reach, client-friendly interface
• Weaknesses: Some clients report slower turnaround times during peak demand

The company’s focus on data compliance and privacy makes it an attractive partner for organizations with strict internal standards. Its high level of customization is ideal for clients who prefer more control over the expert selection process.

4. Atheneum

Headquarters: Berlin, Germany

With a strong presence in Europe, Atheneum is gaining traction among multinational businesses and life science firms. The platform offers consultations, surveys, and strategic insights, all curated by in-house project managers.

• Strengths: Strong European and Asian network, healthcare specialization, multilingual capabilities
• Weaknesses: Smaller U.S. footprint, though expanding

One of Atheneum’s standout features is its integration of qualitative and quantitative research services. This makes it a one-stop platform for companies looking to combine expert interviews with market surveys to deliver end-to-end insights.

5. NewtonX

Headquarters: New York, USA

NewtonX positions itself as the expert network for the digital age. Using proprietary search technology, it verifies experts on a project-by-project basis by scanning an open network of over 1.1 billion professionals—many of whom are not found in traditional databases.

• Strengths: Custom recruiting, tech-first approach, accuracy in niche sourcing
• Weaknesses: Less predictable timelines compared to static expert networks

The NewtonX model appeals to clients seeking highly technical or rare expertise, with a notable client base in enterprise technology, law, and fintech industries. It’s particularly attractive for companies wanting transparency and traceability in who they consult.

6. Coleman Research

Headquarters: Raleigh, North Carolina, USA

With more than two decades of experience, Coleman Research provides expert consultations for businesses around the world. The platform offers a strong value proposition for mid-market firms who require both quality insights and budget-friendly options.

• Strengths: Affordable pricing, high customer satisfaction ratings, personal service teams
• Weaknesses: Smaller network than GLG or AlphaSights

Clients praise Coleman for its responsiveness and flexible contract structures, which are ideal for smaller firms or one-off projects. The interface may not be as tech-advanced as others, but its human-centered approach remains effective.

7. Maven

Headquarters: San Francisco, USA

What sets Maven apart is its unique “Knowledge Communities” model that allows clients to tap into dynamic panels of subject matter experts. Clients can conduct surveys, phone consultations, and even long-term engagements through this platform.

• Strengths: Community model, ideal for surveys and rapid polling, cost-effective
• Weaknesses: May not have as broad a reach as more established networks

Maven also allows experts to self-register, facilitating a more democratic sourcing model that often produces faster and more varied access to knowledge—useful for clients who value speed and diversity in viewpoints.

How Do These Alternatives Compare to GLG?

Although GLG remains one of the largest and most established expert networks, the growing demand for greater agility, innovation, and cost-efficiency has led clients to explore alternatives. Here’s a comparison of key factors:

Making the Right Choice

Choosing an alternative to GLG doesn’t have to mean sacrificing quality or reliability. Instead, it’s about finding a network that aligns with your specific business goals, budget, and workflow preferences. For firms that require